fix modular interface on windows applying the patch from #3948 sent by @qcrist
fix modular interface on windows
applying the patch from #3948 sent by @qcrist

karlnapf/shogun,besser82/shogun,karlnapf/shogun,sorig/shogun,karlnapf/shogun,besser82/shogun,shogun-toolbox/shogun,geektoni/shogun,lambday/shogun,geektoni/shogun,geektoni/shogun,karlnapf/shogun,shogun-toolbox/shogun,geektoni/shogun,karlnapf/shogun,lisitsyn/shogun,geektoni/shogun,lambday/shogun,lisitsyn/shogun,lambday/shogun,karlnapf/shogun,sorig/shogun,besser82/shogun,sorig/shogun,lambday/shogun,shogun-toolbox/shogun,shogun-toolbox/shogun,besser82/shogun,besser82/shogun,lambday/shogun,shogun-toolbox/shogun,geektoni/shogun,lisitsyn/shogun,sorig/shogun,besser82/shogun,lisitsyn/shogun,sorig/shogun,shogun-toolbox/shogun,sorig/shogun,lisitsyn/shogun,lisitsyn/shogun,lambday/shogun